NVIDIA GeForce GT 545 vs AMD Radeon 550X 640SP

VS

NVIDIA GeForce GT 545

AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 545 and 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 640SP 's Advantages

Released 6 years and 11 months late

Boost Clock1071MHz

More VRAM (4GB vs 1536GB)

Larger VRAM bandwidth (48.00GB/s vs 38.40GB/s)

496 additional rendering cores

Lower TDP (50W vs 70W)

Score

Benchmark

FP32 (float)

GeForce GT 545

0.415 TFLOPS

Radeon 550X 640SP +230%

1.371 TFLOPS

GeForce GT 545

VS

Radeon 550X 640SP

Graphics Card

May 2011

Release Date

Apr 2018

GeForce 500

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1019 MHz

-

Boost Clock

1071 MHz

800 MHz

Memory Clock

1500 MHz

Memory

1536MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

192bit

Memory Bus

64bit

38.40GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

3

SM Count

-

144

Shading Units

640

24

TMUs

40

16

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

17.14 GPixel/s

17.28 GTexel/s

Texture Rate

42.84 GTexel/s

-

FP16 (half)

1371 GFLOPS

414.7 GFLOPS

FP32 (float)

1371 GFLOPS

34.56 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

70W

TDP

50W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

GF116

GPU Name

Lexa

-

GPU Variant

Lexa PRO (215-0904018)

Fermi 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.17 billion

Transistors

2.2 billion

238 mm²

Die Size

103 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

6.4

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